// Question Order Reuse (LS6 question-by-question compatible)
 
window.LSAnswerOrder = (function () {
 
  function isVisible(el) {
    if (!el) return false;
    return !!(el.offsetWidth || el.offsetHeight || el.getClientRects().length);
  }
 
  function getVisibleQuestion() {
    // Prefer the visible question container
    var list = document.querySelectorAll('div.question-container');
    for (var i = 0; i < list.length; i++) {
      if (isVisible(list[i])) return list[i];
    }
    // Fallback
    return document.querySelector('div[id^="question"]');
  }
 
  function getQidFromQuestionDiv(q) {
    // q.id like "question20855"
    var m = (q &amp;&amp; q.id) ? q.id.match(/^question(\d+)$/) : null;
    return m ? m[1] : '';
  }
 
  function dedupeKeepOrder(arr) {
    var seen = Object.create(null);
    var out = [];
    for (var i = 0; i < arr.length; i++) {
      var v = arr[i];
      if (v &amp;&amp; !seen[v]) { seen[v] = true; out.push(v); }
    }
    return out;
  }
 
  function codeFromInput(inp, qid) {
    if (!inp) return '';
 
    // For list radio / list checkbox: value is the answer code (e.g., "1","2"...)
    var v = inp.value;
    if (v &amp;&amp; v !== 'Y' &amp;&amp; v !== 'N') return v;
 
    // For multiple choice and many arrays: value is "Y" (or not helpful),
    // so get code from the name after X<qid>
    var name = inp.getAttribute('name') || '';
    if (!qid || !name) return '';
 
    var marker = 'X' + qid;
    var idx = name.lastIndexOf(marker);
    if (idx === -1) return '';
 
    var after = name.substring(idx + marker.length); // e.g. "1" or "SQ001" or "SQ001_1"
 
    // If arrays encode extra suffix after underscore, keep just the row code
    // (safe for MC too: "1" has no underscore)
    var us = after.indexOf('_');
    if (us > -1) after = after.substring(0, us);
 
    return after;
  }
 
  function capture() {
    var q = getVisibleQuestion();
    if (!q) return;
 
    var qid = getQidFromQuestionDiv(q);
    var codes = [];
 
    // Dropdown
    var sel = q.querySelector('select');
    if (sel) {
      var opts = sel.querySelectorAll('option');
      for (var i = 0; i < opts.length; i++) {
        var val = opts[i].getAttribute('value');
        if (val) codes.push(val);
      }
    }
    // Array rows: capture row order by reading first control name in each row
    else if (q.querySelectorAll('table tbody tr').length) {
      var rows = q.querySelectorAll('table tbody tr');
      for (var r = 0; r < rows.length; r++) {
        var ctrl = rows[r].querySelector('input,select,textarea');
        var code = codeFromInput(ctrl, qid);
        if (code) codes.push(code);
      }
    }
    // Lists / multiple choice: capture the displayed LI order from the answers list
    else {
      var answerLis = q.querySelectorAll('ul.ls-answers > li');
      for (var l = 0; l < answerLis.length; l++) {
        var inp = answerLis[l].querySelector('input[type="radio"], input[type="checkbox"]');
        var code2 = codeFromInput(inp, qid);
        if (code2) codes.push(code2);
      }
    }
 
    codes = dedupeKeepOrder(codes);
    sessionStorage.setItem('answerorder', codes.join(','));
    console.log('Stored answerorder:', codes.join(','));
  }
 
  function apply() {
    var orderStr = sessionStorage.getItem('answerorder') || '';
    if (!orderStr) return;
 
    var desired = orderStr.split(',');
    var q = getVisibleQuestion();
    if (!q) return;
 
    var qid = getQidFromQuestionDiv(q);
 
    // Dropdown: reorder options
    var sel = q.querySelector('select');
    if (sel) {
      var map = {};
      var opts = Array.prototype.slice.call(sel.querySelectorAll('option'));
      for (var i = 0; i < opts.length; i++) map[opts[i].value] = opts[i];
 
      var empty = map[''] || null;
      sel.innerHTML = '';
      if (empty) sel.appendChild(empty);
 
      for (var d = 0; d < desired.length; d++) {
        if (map[desired[d]]) sel.appendChild(map[desired[d]]);
      }
      console.log('Applied order to dropdown');
      return;
    }
 
    // Array: reorder table rows
    var tbody = q.querySelector('table tbody');
    if (tbody &amp;&amp; tbody.querySelectorAll('tr').length) {
      var rowByCode = {};
      var rows = Array.prototype.slice.call(tbody.querySelectorAll('tr'));
 
      for (var r = 0; r < rows.length; r++) {
        var ctrl = rows[r].querySelector('input,select,textarea');
        var code = codeFromInput(ctrl, qid);
        if (code) rowByCode[code] = rows[r];
      }
 
      for (var d2 = 0; d2 < desired.length; d2++) {
        if (rowByCode[desired[d2]]) tbody.appendChild(rowByCode[desired[d2]]);
      }
      console.log('Applied order to array rows');
      return;
    }
 
    // List / Multiple choice: reorder answer LIs (this fixes your Q2)
    var ul = q.querySelector('ul.ls-answers');
    if (ul) {
      var lis = ul.querySelectorAll(':scope > li');
      var liByCode = {};
 
      for (var l = 0; l < lis.length; l++) {
        var inp = lis[l].querySelector('input[type="radio"], input[type="checkbox"]');
        var c = codeFromInput(inp, qid);
        if (c) liByCode[c] = lis[l];
      }
 
      for (var d3 = 0; d3 < desired.length; d3++) {
        if (liByCode[desired[d3]]) ul.appendChild(liByCode[desired[d3]]);
      }
      console.log('Applied order to list/multiple-choice');
    }
  }
 
  return { capture: capture, apply: apply };
})();

LSAnswerOrder.capture();

LSAnswerOrder.apply();

<script type="text/javascript" charset="utf-8" data-author="Tony Partner">
    $(document).on('ready pjax:scriptcomplete',function(){
        
        //Identify the questions
        var thisQuestion = $('#question{QID}');
        var hiddenQuestion = $(thisQuestion).nextAll('.text-short:eq(0)');
        
        // Create an array of answer codes
        var answerCodes = ;
        $('li.answer-item', thisQuestion).each(function(i) {
            answerCodes.push($(this).attr('id').split('X{QID}')[1]);
        });
        
        // Load the hidden question
        $('input:text', hiddenQuestion).val(answerCodes);        
    });
</script>

<script type="text/javascript" charset="utf-8" data-author="Tony Partner">
  $(document).on('ready pjax:scriptcomplete',function(){
 
    //Identify this question
    var thisQuestion = $('#question{QID}');
    var thisAnswerList = $('li.answer-item:eq(0)', thisQuestion).parent();
 
    // Retrieve the answer codes from the "randomOrder" question
    var answerCodes = '{RandOrder}'.split(',');
 
    // Loop through the answer codes
    $.each(answerCodes, function(i, val) {
      // Move the answer item
      $(thisAnswerList).append($('li.answer-item[id$="X{QID}'+val+'"]', thisQuestion));
    });
  });
</script>

<script type="text/javascript" data-author="Tony Partner">
  $(document).on('ready pjax:scriptcomplete',function(){
 
    //Identify this question
    var thisQuestion = $('#question{QID}');
    var thisAnswerList = $('tr.answers-list:eq(0)', thisQuestion).parent();
 
  // Retrieve the answer codes from the "randomOrder" question
    var answerCodes = '{RandOrder}'.split(',');
 
    // Loop through the answer codes
    $.each(answerCodes, function(i, val) {
      // Move the answer item
      $(thisAnswerList).append($('tr.answers-list[id$="X{QID}'+val+'"]', thisQuestion));
    });
 
  });
</script>

<script type="text/javascript" data-author="Tony Partner">
  $(document).on('ready pjax:scriptcomplete',function(){
 
    //Identify this question
    var thisQuestion = $('#question{QID}');
    var thisAnswerList = $('tr.subquestion-list:eq(0)', thisQuestion).parent();
 
  // Retrieve the answer codes from the "RandOrder" question
    var answerCodes = '{RandOrder}'.split(',');
 
    // Loop through the answer codes
    $.each(answerCodes, function(i, val) {
      // Move the answer item
      $(thisAnswerList).append($('tr.subquestion-list[id$="X{QID}'+val+'"]', thisQuestion));
    }); 
  });
</script>